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Balanced vs Unbalanced Forces Assessment

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Last updated almost 6 years ago
10 questions
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Question 1
1.

You and some friends are at the park . You find some rope and decide you’d like to play a game of tug-of-war. Unfortunately, there are 5 people so you can’t have an equal amount of people on each side. One of your friends suggests that the two biggest people should be on one side, while the three smaller people should be on the other side. Do you think this is a fair way to split up teams? Why or why not?

Question 2
2.

What causes objects to move?

Question 3
3.

What causes objects to stay still?

Question 4
4.

Question 5
5.

You exert a force of 120 N on a desk. Your friend exerts a force of 150 N in the same direction. What net force do you and your friend exert on the desk?

Question 6
6.

You exert a force of 120 N on a desk to the right. Your friend decides to push the desk from the opposite direction, exerting a force of 150 N. What net force do you and your friend exert on the desk? What will be the direction of the movement?

Question 7
7.

Question 8
8.

Calculate the net force and describe the direction of movement.

Question 9
9.

Will this rocket be able to lift off? Explain your answer using your net force calculations

Question 10
10.

When finding net force, why must you know the directions of the forces acting on an object?

Balanced forces cause a change in motion.
True
False
All of the following statements are true, except...
A moving object carries on moving until a force stops it
A moving object eventually runs out of force and slows down
A moving object travels in a straight line until a force changes its direction
An object is at rest because all the forces around it are balanced